package com.yiruantong.system.service.core.impl;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.yiruantong.system.domain.permission.SysDept;
import com.yiruantong.system.domain.permission.SysRoleDept;
import com.yiruantong.system.mapper.permission.SysDeptMapper;
import com.yiruantong.system.mapper.permission.SysRoleDeptMapper;
import com.yiruantong.system.service.core.ISysDataScopeService;
import lombok.RequiredArgsConstructor;
import com.yiruantong.common.core.utils.StreamUtils;
import com.yiruantong.common.mybatis.helper.DataBaseHelper;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * 数据权限 实现
 * <p>
 * 注意: 此Service内不允许调用标注`数据权限`注解的方法
 * 例如: deptMapper.selectList 此 selectList 方法标注了`数据权限`注解 会出现循环解析的问题
 *
 * @author YiRuanTong
 */
@RequiredArgsConstructor
@Service("sdss")
public class SysDataScopeServiceImpl implements ISysDataScopeService {

  private final SysRoleDeptMapper roleDeptMapper;
  private final SysDeptMapper deptMapper;

  @Override
  public String getRoleCustom(Long roleId) {
    List<SysRoleDept> list = roleDeptMapper.selectList(
      new LambdaQueryWrapper<SysRoleDept>()
        .select(SysRoleDept::getDeptId)
        .eq(SysRoleDept::getRoleId, roleId));
    if (CollUtil.isNotEmpty(list)) {
      return StreamUtils.join(list, rd -> Convert.toStr(rd.getDeptId()));
    }
    return null;
  }

  @Override
  public String getDeptAndChild(Long deptId) {
    List<SysDept> deptList = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
      .select(SysDept::getDeptId)
      .apply(DataBaseHelper.findInSet(deptId, "ancestors")));
    List<Long> ids = StreamUtils.toList(deptList, SysDept::getDeptId);
    ids.add(deptId);
    List<SysDept> list = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
      .select(SysDept::getDeptId)
      .in(SysDept::getDeptId, ids));
    if (CollUtil.isNotEmpty(list)) {
      return StreamUtils.join(list, d -> Convert.toStr(d.getDeptId()));
    }
    return null;
  }

}
